Home / 15,001,699.08-20,702,444.04-8,126,181.06

Finding the Fourth Proportional to 15,001,699.08, 20,702,444.04 and 8,126,181.06

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Solution

The fourth proportional to 15,001,699.08, 20,702,444.04 and 8,126,181.06 is: 11,214,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001,699.08 : 20,702,444.04 = 8,126,181.06 : x
  2. Step 2: Convert to fraction form
    15,001,699.08/20,702,444.04 = 8,126,181.06/x
  3. Step 3: Cross multiply
    15,001,699.08x = 20,702,444.04 × 8,126,181.06
  4. Step 4: Simplify right side
    15,001,699.08x = 168,231,808,653,557.88
  5. Step 5: Solve for x
    x = 168,231,808,653,557.88/15,001,699.08
  6. Step 6: Final answer
    x = 11,214,183.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.